Firmware Engineer I (Onsite)

Prattwhitney; Largo (FL); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) match

Flexible work schedules

Employee Scholar Program

Parental leave

Paid time off

Job summary

RTX in Largo, Florida, is seeking a firmware/ASIC-oriented engineer to generate firmware requirements and documentation from system architecture, and to design HDL-based digital circuits with readable structure.

The role involves building test benches, generating constraints for devices, and scripting for build, integration, and test activities, with on-site duties in the US. A DoD-security-relevant background is implied by the posting.

Qualifications

• Bachelor's degree in Software Engineering or STEM required by start date.
• Experience with C/C++, HLS, or UVM required.
• Linux scripting experience (bash, Make, Tcl, Python) required.

Responsibilities

• Generate firmware requirements based on the system architecture.
• Generate firmware documentation describing the firmware architecture.
• Design HDL based digital circuits that are structured and readable.
• Build test benches to verify/test the HDL based design.
• Generate constraints for target device.
• Create scripts to automate build, integration, and test activities.
• Verify target device functionality in laboratory environment.

Skills

C/C++

HLS/UVM

Linux scripting

Embedded systems

Education

Bachelor's degree in Software Engineering or STEM

Tools

ISE

Vivado

Quartus II

Libero

Synplify

Job description

What You Will Do

• Generate firmware requirements based on the system architecture
• Generate firmware documentation that describes the firmware architecture
• Design HDL based digital circuits that are structured and readable
• Build test benches to verify/test the HDL based design
• Generate constraints for target device
• Create scripts to automate build, integration, and test activities
• Verify target device functionality in laboratory environment

Qualifications You Must Have:

• Bachelor's degree in Software Engineering or related Science, Technology, Engineering, or Mathematics (STEM) major obtained by start date.
• Experience with C/C++, HLS, or UVM
• Experience with programmable logic development tools (e.g. ISE, Vivado, Quartus II, Libero, Synplify)
• Linux scripting experience (bash shells, make files, Tcl, Python)
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer:

• Curriculum geared towards embedded systems
• Previous co-op/internship/projects experience implementing and verifying firmware
• Experience with source control (e.g. GIT, SVN, ClearCase)

What We Offer

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.

Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

Salary Range

The salary range for this role is 57,200 USD - 108,800 USD.

Location & Role Information

Date Posted: 2026-09-11 Country: United States of America Location: US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100

Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1.

This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Equal Opportunity Statement

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.

RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Company Overview

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity.

The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.